Home / 129,276,207.40-193,914,311.10-43,017,428.20

Finding the Fourth Proportional to 129,276,207.40, 193,914,311.10 and 43,017,428.20

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Solution

The fourth proportional to 129,276,207.40, 193,914,311.10 and 43,017,428.20 is: 64,526,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,207.40 : 193,914,311.10 = 43,017,428.20 : x
  2. Step 2: Convert to fraction form
    129,276,207.40/193,914,311.10 = 43,017,428.20/x
  3. Step 3: Cross multiply
    129,276,207.40x = 193,914,311.10 × 43,017,428.20
  4. Step 4: Simplify right side
    129,276,207.40x = 8,341,694,954,696,713
  5. Step 5: Solve for x
    x = 8,341,694,954,696,713/129,276,207.40
  6. Step 6: Final answer
    x = 64,526,142.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.